<template>
  <div class="numbox-container">
    <div class="mui-numbox" data-numbox-min="1">
      <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
      <!-- 属性绑定，value值 -->
      <input
        id="test"
        class="mui-input-numbox"
        type="number"
        :value="initcount"
        @change="countChanged"
        ref="numbox"
        readonly
      >

      <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
    </div>
  </div>
</template>
<script>
import mui from "../../lib/mui/js/mui.min.js";
export default {
  // 数字选择框 初始化
  mounted() {
    mui(".mui-numbox").numbox();
  },
  methods: {
    countChanged() {
      // 数量改变了
    //   每当数量值改变，则立即把最新的数量同步到购物车的 store 中，覆盖之前的数量值
      this.$store.commit('updateGoodsInfo', { id: this.goodsid, count: this.$refs.numbox.value } )
    }
  },
  props: ["initcount", "goodsid"]
};
</script>

<style lang="scss" scoped>
.numbox-container {
  display: inline-block;
  .mui-numbox {
    height: 25px;
  }
}
</style>
